Head unit pinout abbreviations
| Pin Notation | Pin function | 
|---|---|
| Power pins | |
| +B | Battery+ (12V direct from Battery). | 
| GND, GROUND | Chassis Ground | 
| Audio pins | |
| FR+ or RF+ | Front right speaker out | 
| FL+ or LF+ | Front left speaker out | 
| RR+ | Rear right speaker out | 
| LR+ or RL+ | Rear left speaker out | 
| FR- or RF-, FL- or LF-, RR-, LR- or RL-, SGND | The corresponding speaker ground | 



 правильная
правильная с ошибками
с ошибками